(2-4) Bulbs, 6-20 Ft. Total Length

UNIVERSAL USB Magnetic Fluorescent SIGN Ballasts, 800mA 120V, (1-4) T12HO Lamps 10ft to 24ft Total Lamp Length, Rapid Start Ballast, Now Shipping Keystone KT-KTSB-E-1232-24-UV-S Universal USB Magnetic Sign Ballasts - Series Wiring Universal Outdoor...

UNIVERSAL USB Magnetic Fluorescent SIGN Ballasts, 800mA 120V, (1-4) T12HO Lamps 8-16 ft Total Lamp Length, Rapid Start Ballast Universal USB 800mA Magnetic Sign Ballasts Universal Outdoor Sign ballasts are: Provide low temperature starting - down...

UNIVERSAL USB Magnetic Fluorescent SIGN Ballasts, 800mA 120V, (1-6) T12HO Lamps, 2ft to 18ft Total Lamp Length, Rapid Start Ballast Universal USB 800mA Magnetic Sign Ballasts Low watt-loss steel lamination and all-copper coils assure cooler, more...